<template>
    <div class="sidebar">
        <el-menu class="sidebar-el-menu" :default-active="onRoutes" :collapse="collapse" background-color="#324157"
            text-color="#bfcbd9" active-text-color="#20a0ff" unique-opened router>
            <template v-for="item in items">
                <template v-if="item.subs">
                    <el-submenu :index="item.index" :key="item.index">
                        <template slot="title">
                            <i :class="item.icon"></i><span slot="title">{{ item.title }}</span>
                        </template>
                        <el-menu-item v-for="(subItem,i) in item.subs" :key="i" :index="subItem.index">
                            {{ subItem.title }}
                        </el-menu-item>
                    </el-submenu>
                </template>
                <template v-else>
                    <el-menu-item :index="item.index" :key="item.index">
                        <i :class="item.icon"></i><span slot="title">{{ item.title }}</span>
                    </el-menu-item>
                </template>
            </template>
        </el-menu>
    </div>
</template>
<script>

    import bus from '../common/bus';
    import { mapGetters } from 'vuex';
    import roles from '@/router/roles/role.js';
    export default {
        data() {
            return {
                collapse: false,
                items:[]
            }
        },
        computed:{
            ...mapGetters(['storeId']),
            onRoutes(){
                //return this.$route.path.replace('/','');
                return this.$route.path;
            }
        },
        created(){
            // 通过 Event Bus 进行组件间通信，来折叠侧边栏
            bus.$on('collapse', msg => {
                this.collapse = msg;
            })
            
            //根据角色来跳转
            this.isBossLog();
        },
        methods:{
            isBossLog(){
                //门店账号
                if(this.storeId<1){
                    //获取总部的菜单
                    this.getBoosMenu();
                }
                //总部账号
                else{
                    //获取门店的菜单
                    this.getStaffMenu();
                }
            },
            //获取总部的菜单权限
            getBoosMenu(){
                let items = roles.boss.items;
                this.items =items;
            },
            //获取门店的菜单权限
            getStaffMenu(){
                let items = roles.staff.items;
                this.items =items;
            }
        },
    }
</script>

<style scoped>
    .sidebar{
        display: block;
        position: absolute;
        left: 0;
        top: 70px;
        bottom:0;
        overflow-y: scroll;
    }
    .sidebar::-webkit-scrollbar{
        width: 0;
    }
    .sidebar-el-menu:not(.el-menu--collapse){
        width: 250px;
    }
    .sidebar > ul {
        height:100%;
    }
</style>
